COLUMBUS, Ohio (AP) — A large rainforest plant known as a corpse flower because of its terrible smell is expected to bloom soon at an Ohio State University greenhouse that already experienced two of the rare blooms this year.

The 5.5-foot titan arum hadn’t opened by Friday morning, but the school said it was on the verge. The plants unfurl to reveal a bold, reddish-purple color and release the smell of rotting-flesh.

Sometimes they take years to bloom, if they do at all. The blooms are brief, sometimes a day or less.

Each of the four corpse flowers that have bloomed at Ohio State since 2011 got a nickname connected to the school. This time, the greenhouse is inviting Facebook fans to vote for one of four options: Scarlet, Sloopy, Carmen or Orton.